build: automatically set the action: merge label for renovate changes (#210)
build: automatically set the action: merge label for renovate changes (#210)

Since any change renovate makes is intended to be merged as soon as it passes, it
should have the `action: merge` label as the PR author is ready for its merge.

PR Close #210

angular/dev-infra,angular/dev-infra,angular/dev-infra,angular/dev-infra